MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55d33150e0e0428fd68efd141e0afe94fa66a53c75474aa73e197edbc6a81f61. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

AgentTesla

Vendor detections: 8

Intelligence 8 IOCs YARA 22 File information Comments

SHA256 hash:	55d33150e0e0428fd68efd141e0afe94fa66a53c75474aa73e197edbc6a81f61
SHA3-384 hash:	4257a9c8654aaf4ff449e24d8c5b8e54d7d99b8e9b83ba98ba1d30697ec2ea6e3a20e5b8cb00779f7734f29aab7c3f9a
SHA1 hash:	2a0461754ef171d3d7a68e3e72ea5f6c2b849ee0
MD5 hash:	1ea28b9c363bf621ab4699bd26e57c88
humanhash:	colorado-south-ten-montana
File name:	Purchase Orders.zip
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	776'085 bytes
First seen:	2024-05-31 06:26:57 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	12288:155aUs4ONXOZSwYzntKCy0LH5uRf8wQRUp8iAuRDwKtkKOJpVyebhGF95L5:ExHNXISwgntKCy08uRC8iF5wKtkxvHGb
TLSH	T106F4230D1A3E6C22F27D431B257A552F0E9C2638319DDDF0FA12B51C9AB879F232E495
TrID	80.0% (.ZIP) ZIP compressed archive (4000/1) 20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter	cocaman
Tags:	AgentTesla zip

cocaman

Malicious email (T1566.001)
From: ""Surabhi Mujumdar (Eravant)" <support@eravant.com>" (likely spoofed)
Received: "from eravant.com (unknown [185.222.58.254]) "
Date: "31 May 2024 06:38:47 +0200"
Subject: "[Request Received] Eravant: Purchase Order #PO23045"
Attachment: "Purchase Orders.zip"

Intelligence

File Origin

# of uploads :

# of downloads :

336

Origin country :

File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:	Purchase Orders.exe
File size:	873'992 bytes
SHA256 hash:	16ea08651c3db7583f2cf9b3579a4afecf41161f081d2ac4611fc7771a19a628
MD5 hash:	4d2c731eb8a1ad97a870d4ada7ab8f3b
MIME type:	application/x-dosexec
Signature	AgentTesla

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Foxhole.Zip_fs3108.UNOFFICIAL

Sanesecurity.Malware.22205.ZipHeur.UNOFFICIAL

Gathering data

Result

Verdict:

Unknown

File Type:

PE File

Link:

https://app.docguard.net/55d33150e0e0428fd68efd141e0afe94fa66a53c75474aa73e197edbc6a81f61/results/dashboard

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade overlay packed

Link:

https://www.filescan.io/uploads/66596db84d56d7d162893fd2/reports/93c028ad-a7de-4436-b3c6-bad51314c8d8/overview

Verdict:

Suspicious

Labled as:

Troj/Krypt

Link:

https://www.hybrid-analysis.com/sample/55d33150e0e0428fd68efd141e0afe94fa66a53c75474aa73e197edbc6a81f61

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/55d33150e0e0428fd68efd141e0afe94fa66a53c75474aa73e197edbc6a81f61

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/55d33150e0e0428fd68efd141e0afe94fa66a53c75474aa73e197edbc6a81f61/

Threat name:

ByteCode-MSIL.Trojan.SnakeKeyLogger

Status:

Malicious

First seen:

2024-05-31 06:27:01 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=kxjtcuha4bbi7vuo7ukb4cx6st5gnjj4ovduvjz6df7nxrvid5qq._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla execution keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/240531-hj77nsad3w/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Adds Run key to start application

Checks computer location settings

Command and Scripting Interpreter: PowerShell

AgentTesla

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/55d33150e0e0428fd68efd141e0afe94fa66a53c75474aa73e197edbc6a81f61

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	AgentTeslaV3 Create hunting rule
Author:	ditekshen
Description:	AgentTeslaV3 infostealer payload

Rule name:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

Rule name:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438 Create hunting rule
Author:	ditekSHen
Description:	Detects executables signed with stolen, revoked or invalid certificates

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_imphash Create hunting rule

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Windows_Generic_Threat_9f4a80b2 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla